How does the VRM Box work with my existing audio interface?

This applies to the VRM Box

1. Using the USB cable provided, connect the VRM Box to the USB port of your computer 2. Connect the S/PDIF output on your audio interface into the VRM Box S/PDIF input 3. In your audio interface’s control panel, ensure that audio is sent to the S/PDIF output of your audio interface 4. With the volume control turned down, connect your headphones to VRM Box 5. Open the VRM software, check the icon in the bottom right corner of the VRM software that the VRM Box has locked to the S/PDIF signal 6. Start playing audio from your DAW software or any media player 7. Turn up the volume control on the VRM Box until you have the required level in your headphones